QJs vs 75s: preflop equity

Counting every board, the equity split is 63.44% for QJs and 36.56% for 75s, so QJs leads by 26.88 points.

QJs

63.44%

Wins 62.97%, ties 0.93%

75s

36.56%

Wins 36.10%, ties 0.93%

Equity counts a tie as half a win. Exact over every board.

QJs against 75s: the numbers

Exact preflop results for QJs against 75s, in percent
HandWinsTiesLosesEquity
QJs62.9730.92636.10163.436
75s36.1010.92662.97336.564

QJs and 75s are both suited hands. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

QJs is ahead, but 75s is far from dead: it takes 361 of every 1,000 deals outright. Ties are part of the picture: 0.93% of boards end in a split pot, and each side counts that as half a win.

By strength against a random hand, QJs holds place 28 of 169 and 75s holds place 124.

Boards behind the percentages: 27,396,864 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
QJs17,253,000254,0009,891,000
75s9,891,000254,00017,253,000

Exact total: 16 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.

QJs against 75s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
QJs1.7351.5882.7700.576
75s0.5762.7701.5881.735

The final column gives the least the pot must offer for each unit called for a call to break even at this equity.

Who is ahead on which flops

Rainbow flops topped by a ten or better are the best for QJs (70.94%); low rainbow flops (nine high or lower) are the worst (36.61%). Low rainbow flops (nine high or lower) favor 75s, the hand that is behind overall.

QJs against 75s by flop texture, in percent
FlopShare of flopsQJs winsTies75s winsQJs equity
Rainbow, ten or higher24.59570.7180.45128.83170.944
Rainbow, nine or lower6.31436.2900.64663.06436.613
Two-tone46.72762.6910.45536.85462.919
Monotone5.27358.8513.56437.58560.633
Paired17.09163.7282.18234.09064.819

A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank.

Compared with a random hand

Relative to a random opponent, QJs changes by +3.18 points (baseline 60.26%) and 75s by -7.12 points (baseline 43.68%).

QJs and 75s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
QJs, all flops63.43660.259+3.1771.05272
QJs, rainbow, ten or higher70.94460.259+10.6851.17732
QJs, rainbow, nine or lower36.61360.259-23.6460.60759
QJs, two-tone62.91960.259+2.6601.04414
QJs, monotone60.63360.259+0.3741.00621
QJs, paired64.81960.259+4.5601.07567
75s, all flops36.56443.676-7.1120.83716
75s, rainbow, ten or higher29.05643.676-14.6200.66526
75s, rainbow, nine or lower63.38743.676+19.7111.45130
75s, two-tone37.08143.676-6.5950.84900
75s, monotone39.36743.676-4.3090.90134
75s, paired35.18143.676-8.4950.80550

Does a shared suit matter?

Of the deals of this matchup, 4 share a suit (QJs at 65.80%) and 12 do not (62.65%). QJs does better with a shared suit, by 3.15 points.

QJs against 75s by suit overlap, in percent
DealsSpecific dealsShare of dealsQJs winsTies75s winsQJs equity
Share a suit425.0065.2841.02833.68865.798
No shared suit1275.0062.2030.89136.90662.649

How often this matchup comes up

How often does it happen? 16 of the 1,624,350 ordered deals (0.0010%) are QJs against 75s, and 32 (0.0020%) if either hand may sit in either seat.

A worked example

Say each player puts $100 in before the flop, making a $200 pot. On average QJs takes back $126.88 of it, which is $26.88 more than it put in, and 75s takes back $73.12, $26.88 less than it put in.

In 1,000 deals of exactly this matchup, expect about 630 won outright by QJs, about 361 won outright by 75s and about 9 split.

The same matchup from the other side

If you came looking for 75s against QJs, the numbers are the same with the hands swapped: 36.56% and 63.44%.

The calculator link fills in QsJs against 7h5h, a deal where the two hands share no suit. Change any card to test your own hand. The neighboring matchups below swap one of the two hands for one of similar strength.

How this was computed

The figures are counted, not estimated: 1,712,304 boards for every suit pattern of the 16 specific deals, with both seven-card hands compared each time. Equity gives half a win for a tie. For the flop rows, a board is counted once under each of the ten flops inside it.

Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.

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